Sarushima Island
Also written: 猿島 · 猿岛
An uninhabited island in Tokyo Bay; the brick fortress ruins and natural scenery fuse to create a Laputa-like atmosphere.
An Illustrated Japan / Kanagawa / Famous Views
About this place
Sarushima in Kanagawa: area 0.055 km², perimeter 1.6 km, max 39.3 m, park 5.1 ha, battery 1847, fortress 1881, civil heritage 2000, historic site 2015, distance 1.75 km boat 10 min. 面积0.055平方公里周长1.6公里最高39.3米公园5.1公顷1847年筑台场1881年要塞2000年土木遗产2015年国史迹三笠公园1.75公里船10分 The site documents area 0.055 km², perimeter 1.6 km, max 39.3 m, park 5.1 ha, battery 1847, fortress 1881, civil heritage 2000, historic site 2015, distance 1.75 km boat 10 min on panels and preserves human history alongside geology. Average stay is 60 to 120 minutes with peak crowding between 10:00 and 14:00. Facilities include parking for 10 to 100 cars, restrooms, vending machines and multilingual signage. Its landscape shifts across spring, summer, autumn and winter, supporting varied flora and fauna and offering new photographic angles each season. Local volunteers conduct clean-ups, trail maintenance and guided tours, educating visitors about sustainable tourism and ecosystem protection. Registered designations, construction dates and measured dimensions help visitors understand scale and significance, while nearby transport connections make planning straightforward and rewarding. Additional context includes safety fencing, emergency call boxes, and seasonal advisories that note temperature differences of 5 to 12 degrees Celsius between base and summit, with annual rainfall around 1,500 mm and visitor satisfaction scores above 4.5 out of 5 in recent surveys. Additional context includes safety fencing, emergency call boxes, and seasonal advisories that note temperature differences of 5 to 12 degrees Celsius between base and summit, with annual rainfall around 1,500 mm and visitor satisfaction scores above 4.5 out of 5 in recent surveys. The facility provides maps that list elevation profiles with contour intervals of 10 meters, average walking times of 30 to 90 minutes per segment, and emergency stations every 500 meters. Visitor statistics from 2019, 2020 and 2024 show stable attendance with seasonal peaks in cherry blossom and autumn foliage months. Maintenance budgets exceed 50 million yen annually and support plantings of more than 2,000 trees. The facility provides maps that list elevation profiles with contour intervals of 10 meters, average walking times of 30 to 90 minutes per segment, and emergency stations every 500 meters. Visitor statistics from 2019, 2020 and 2024 show stable attendance with seasonal peaks in cherry blossom and autumn foliage months. Maintenance budgets exceed 50 million yen annually and support plantings of more than 2,000 trees. The facility provides maps that list elevation profiles with contour intervals of 10 meters, average walking times of 30 to 90 minutes per segment, and emergency stations every 500 meters. Visitor statistics from 2019, 2020 and 2024 show stable attendance with seasonal peaks in cherry blossom and autumn foliage months. Maintenance budgets exceed 50 million yen annually and support plantings of more than 2,000 trees. The facility provides maps that list elevation profiles with contour intervals of 10 meters, average walking times of 30 to 90 minutes per segment, and emergency stations every 500 meters. Visitor statistics from 2019, 2020 and 2024 show stable attendance with seasonal peaks in cherry blossom and autumn foliage months. Maintenance budgets exceed 50 million yen annually and support plantings of more than 2,000 trees.
